From ccabcccda7821ce9495bdcd7ade8f7d69c61dcc8 Mon Sep 17 00:00:00 2001 From: popcornmix Date: Mon, 14 Jul 2014 22:02:09 +0100 Subject: [PATCH 128/782] hid: Reduce default mouse polling interval to 60Hz Reduces overhead when using X --- drivers/hid/usbhid/hid-core.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -48,7 +48,7 @@ * Module parameters. */ -static unsigned int hid_mousepoll_interval; +static unsigned int hid_mousepoll_interval = ~0; module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644); MODULE_PARM_DESC(mousepoll, "Polling interval of mice"); @@ -1104,7 +1104,9 @@ static int usbhid_start(struct hid_devic */ switch (hid->collection->usage) { case HID_GD_MOUSE: - if (hid_mousepoll_interval > 0) + if (hid_mousepoll_interval == ~0 && interval < 16) + interval = 16; + else if (hid_mousepoll_interval != ~0 && hid_mousepoll_interval != 0) interval = hid_mousepoll_interval; break; case HID_GD_JOYSTICK: